towupper_l(3p) — Linux manual page


TOWUPPER(3P)              POSIX Programmer's Manual             TOWUPPER(3P)

PROLOG         top

       This manual page is part of the POSIX Programmer's Manual.  The Linux
       implementation of this interface may differ (consult the
       corresponding Linux manual page for details of Linux behavior), or
       the interface may not be implemented on Linux.

NAME         top

       towupper, towupper_l — transliterate lowercase wide-character code to

SYNOPSIS         top

       #include <wctype.h>

       wint_t towupper(wint_t wc);
       wint_t towupper_l(wint_t wc, locale_t locale);

DESCRIPTION         top

       For towupper(): The functionality described on this reference page is
       aligned with the ISO C standard. Any conflict between the
       requirements described here and the ISO C standard is unintentional.
       This volume of POSIX.1‐2008 defers to the ISO C standard.

       The towupper() and towupper_l() functions have as a domain a type
       wint_t, the value of which the application shall ensure is a
       character representable as a wchar_t, and a wide-character code
       corresponding to a valid character in the current locale or the value
       of WEOF.  If the argument has any other value, the behavior is
       undefined.  If the argument of towupper() or towupper_l() represents
       a lowercase wide-character code, and there exists a corresponding
       uppercase wide-character code as defined by character type
       information in the current locale or in the locale represented by
       locale, respectively (category LC_CTYPE), the result shall be the
       corresponding uppercase wide-character code.  All other arguments in
       the domain are returned unchanged.

       The behavior is undefined if the locale argument to towupper_l() is
       the special locale object LC_GLOBAL_LOCALE or is not a valid locale
       object handle.

RETURN VALUE         top

       Upon successful completion, the towupper() and towupper_l() functions
       shall return the uppercase letter corresponding to the argument
       passed. Otherwise, they shall return the argument unchanged.

ERRORS         top

       No errors are defined.

       The following sections are informative.

EXAMPLES         top




RATIONALE         top




SEE ALSO         top

       setlocale(3p), uselocale(3p)

       The Base Definitions volume of POSIX.1‐2008, Chapter 7, Locale,
       locale.h(0p), wctype.h(0p)

COPYRIGHT         top

       Portions of this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2013 Edition, Standard for Information
       Technology -- Portable Operating System Interface (POSIX), The Open
       Group Base Specifications Issue 7, Copyright (C) 2013 by the
       Institute of Electrical and Electronics Engineers, Inc and The Open
       Group.  (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1
       applied.) In the event of any discrepancy between this version and
       the original IEEE and The Open Group Standard, the original IEEE and
       The Open Group Standard is the referee document. The original
       Standard can be obtained online at .

       Any typographical or formatting errors that appear in this page are
       most likely to have been introduced during the conversion of the
       source files to man page format. To report such errors, see .

IEEE/The Open Group                 2013                        TOWUPPER(3P)